186432223107 has 32 divisors (see below), whose sum is σ = 268709690368. Its totient is φ = 114294571776.

The previous prime is 186432223097. The next prime is 186432223123. The reversal of 186432223107 is 701322234681.

It is not a de Polignac number, because 186432223107 - 2⁴ = 186432223091 is a prime.

It is a super-4 number, since 4×186432223107⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (186432223007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11602623 + ... + 11618679.

It is an arithmetic number, because the mean of its divisors is an integer number (8397177824).

Almost surely, 2^186432223107 is an apocalyptic number.

186432223107 is a deficient number, since it is larger than the sum of its proper divisors (82277467261).

186432223107 is a wasteful number, since it uses less digits than its factorization.

186432223107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17179.

The product of its (nonzero) digits is 96768, while the sum is 39.

Adding to 186432223107 its reverse (701322234681), we get a palindrome (887754457788).

The spelling of 186432223107 in words is "one hundred eighty-six billion, four hundred thirty-two million, two hundred twenty-three thousand, one hundred seven".